73 lines
2.2 KiB
Bash
73 lines
2.2 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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source ./lib.sh
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ACME_WEBROOT="/var/www/letsencrypt"
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install -d -m 0755 "${ACME_WEBROOT}/.well-known/acme-challenge"
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# Staging optional (verbraucht kein Live-Limit)
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CERTBOT_EXTRA=()
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LE_STAGING="${LE_STAGING:-0}"
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[[ "$LE_STAGING" = "1" ]] && CERTBOT_EXTRA+=(--test-cert)
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# Einheitliche LE-Mail (Fallback)
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LE_MAIL="${LE_EMAIL:-admin@${BASE_DOMAIN}}"
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resolve_ok() {
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local host="$1"
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local pats=()
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[[ -n "${SERVER_PUBLIC_IPV4:-}" ]] && pats+=("${SERVER_PUBLIC_IPV4//./\\.}")
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[[ -n "${SERVER_PUBLIC_IPV6:-}" ]] && pats+=("${SERVER_PUBLIC_IPV6//:/\\:}")
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[[ ${#pats[@]} -eq 0 ]] && return 0
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getent ahosts "$host" | awk '{print $1}' | sort -u \
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| grep -Eq "^($(IFS='|'; echo "${pats[*]}"))$"
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}
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probe_http() {
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local host="$1"
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echo test > "${ACME_WEBROOT}/.well-known/acme-challenge/_probe"
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curl -fsS --max-time 5 -4 "http://${host}/.well-known/acme-challenge/_probe" >/dev/null \
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|| curl -fsS --max-time 5 -6 "http://${host}/.well-known/acme-challenge/_probe" >/dev/null
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}
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issue() {
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local host="${1:-}"
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[[ -z "$host" ]] && return 0
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echo "[i] Versuche LE für ${host} …"
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if ! resolve_ok "$host"; then
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echo "[!] DNS zeigt (noch) nicht hierher – überspringe: ${host}"
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return 0
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fi
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if ! probe_http "$host"; then
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echo "[!] ACME-HTTP-Check für ${host} fehlgeschlagen (Port 80/IPv6/Firewall/Nginx prüfen)."
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# wir versuchen trotzdem – Certbot meldet sich, falls es scheitert
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fi
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EXTRA_ARGS=()
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# Für MX den Key wiederverwenden → stabiler TLSA (3 1 1)
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[[ "$host" == "${MAIL_HOSTNAME}" ]] && EXTRA_ARGS+=(--reuse-key)
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# WICHTIG: Deploy-Wrapper anhängen, damit Symlinks/Nginx gesetzt werden
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certbot certonly \
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--agree-tos -m "${LE_MAIL}" --non-interactive \
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--webroot -w "${ACME_WEBROOT}" -d "${host}" \
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--deploy-hook /usr/local/sbin/mw-deploy.sh \
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"${EXTRA_ARGS[@]}" "${CERTBOT_EXTRA[@]}" || true
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}
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if [[ "${BASE_DOMAIN}" != "example.com" ]]; then
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issue "${UI_HOST:-}"
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issue "${WEBMAIL_HOST:-}"
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issue "${MAIL_HOSTNAME:-}"
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# Nginx nur neu laden, wenn aktiv
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if systemctl is-active --quiet nginx; then
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systemctl reload nginx || true
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fi
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else
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echo "[i] BASE_DOMAIN=example.com – LE wird übersprungen."
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fi
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